This paper proposed a multivariable optimum control strategy for the thermionic heater with the features of not reguiring any dynamic model and Oxygen analizer.

• 本文提出了热媒加热炉多变量热效率优化控制方法.；该方法无需使用动态数学模型氧含量分析仪；按热平衡原则控制燃油流量。